Heavy-duty but not heavy. Lets you go light with no worries.
This Keyboard Gig Bag from Musician's Gear fits 49-note boards and has an outer covering of heavy-duty 440D twill nylon to lock out dirt and spills. Inside, foam padding absorbs the bumps of normal handling. Edges and handles are made of thick parachute webbing for extra strength and durability. The electronic keyboard bag has a carry handle, shoulder strap, and double jumbo zippers. Interior dimensions: 37" x 15" x 6".